72142240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1249}}^1$

素因数の和:1302

約数の個数: 72

約数和(自身を含む): 180022500

約数和(自身を除く): 107880260

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 361, 380, 608, 722, 760, 1249, 1444, 1520, 1805, 2498, 2888, 3040, 3610, 4996, 5776, 6245, 7220, 9992, 11552, 12490, 14440, 19984, 23731, 24980, 28880, 39968, 47462, 49960, 57760, 94924, 99920, 118655, 189848, 199840, 237310, 379696, 450889, 474620, 759392, 901778, 949240, 1803556, 1898480, 2254445, 3607112, 3796960, 4508890, 7214224, 9017780, 14428448, 18035560, 36071120, 72142240]

約数ペア:

[(1, 72142240), (2, 36071120), (4, 18035560), (5, 14428448), (8, 9017780), (10, 7214224), (16, 4508890), (19, 3796960), (20, 3607112), (32, 2254445), (38, 1898480), (40, 1803556), (76, 949240), (80, 901778), (95, 759392), (152, 474620), (160, 450889), (190, 379696), (304, 237310), (361, 199840), (380, 189848), (608, 118655), (722, 99920), (760, 94924), (1249, 57760), (1444, 49960), (1520, 47462), (1805, 39968), (2498, 28880), (2888, 24980), (3040, 23731), (3610, 19984), (4996, 14440), (5776, 12490), (6245, 11552), (7220, 9992)]